You approve. Crank delivers.

Events from one app become actions in another, sent only after you check the exact details.

100% free, open source alternative to Zapier, Make and n8n

Run Crank Read the docs

Free and open source, MIT licensed.

Event arrives

ticket-1042pending

Support desk → Operations inbox

You approve

customer:: Harbour Workshop
task:: Book a callback

Approve and deliver

Delivered

succeeded

Operations inbox

Harbour Workshop · Book a callback

Free

Free for every run.

Free as in cost and free as in code, however many flows you run.

MIT License

Crank

Runs

Every run, in plain sight.

Each run keeps its exact input, who approved it and what the destination answered.

succeeded

Approval history · approved

Delivery attempts · Attempt 1

Replay

One replay, same key.

If the destination was down, replay once with the same body and delivery key.

ticket-1043failed

One replay available

Replay once

Agents

Agents prepare. You decide.

Give an agent a credential to prepare flows and runs. Only an owner approves.

Operations assistantActive

Agent — prepare and read

Flows

One flow, two apps.

Name the source, point it at a destination, and activate it when you’re ready.

Support follow-upactive

Support desk → Human approval → Operations inbox

Pause flow

Also included

Move in from n8n
Export and restore
Erase a run
Roles for your team
Runs on your computer
Trigger keys per flow

Try it beside what you have.

Bring a Webhook → HTTP Request workflow from n8n, check the dry run, and undo it while unused.

Review before importing

Support follow-up

Approve importUndo unused import

You approve. Crank delivers.

Run Crank Read the docs